[FastISel][X86] Optimize selects when the condition comes from a compare.

Description

[FastISel][X86] Optimize selects when the condition comes from a compare.

Optimize the select instructions sequence to use the EFLAGS directly from a
compare when possible.

Details

Committed
ributzkaJun 23 2014, 2:55 PM
Parents
rL211542: Make ObjectFile and BitcodeReader always own the MemoryBuffer.
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